147.74% is the change from 310 to 768
Calculation steps:
[( 768 - 310 ) ÷ 310] x 100 = 147.74%
Formula
Percentage change = [(768 - 310) / 310] x 100
Subtract the new number by the original number
768 - 310 = 458
458 ÷ 310 = 1.4774193548387098
1.4774193548387098 x 100 = 147.74%